The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/f4a2dabbe820e85369d50642c9cd459af353a67a

commit f4a2dabbe820e85369d50642c9cd459af353a67a
Author: Brandon Wylie <wylieb@chromium.org>
Date: Wed Sep 06 21:20:37 2017

[Findit] FA - Reset swarming task on every run of dtpr pipeline.

Having problems with caching results. This will determine if the
caching is happening on the Findit side or the Swarming side.

Bug:762681
Change-Id: I24bd101086736746f5ff3b51c40b8ecdb83c91cb
Reviewed-on: https://chromium-review.googlesource.com/653998
Reviewed-by: Jeffrey Li <lijeffrey@chromium.org>
Commit-Queue: Brandon Wylie <wylieb@chromium.org>

[modify] https://crrev.com/f4a2dabbe820e85369d50642c9cd459af353a67a/appengine/findit/waterfall/flake/test/determine_true_pass_rate_pipeline_test.py
[modify] https://crrev.com/f4a2dabbe820e85369d50642c9cd459af353a67a/appengine/findit/waterfall/flake/determine_true_pass_rate_pipeline.py

The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/70accc2434a922d918a04fe3b6b39464f1ad4e67

commit 70accc2434a922d918a04fe3b6b39464f1ad4e67
Author: Brandon Wylie <wylieb@chromium.org>
Date: Mon Sep 11 19:19:27 2017

[Findit] Flake Analyzer - Delete swarming task when new one is needed.

Results of flake swarming task appear to be cached. This is because
triggerbaseswarmingtask thinks running a new task isn't necessary.

Bug:762681
Change-Id: Icbb3c9537e24dadf834d4aa4ef55d8f93ece90e8
Reviewed-on: https://chromium-review.googlesource.com/661018
Reviewed-by: Shuotao Gao <stgao@chromium.org>
Commit-Queue: Brandon Wylie <wylieb@chromium.org>

[modify] https://crrev.com/70accc2434a922d918a04fe3b6b39464f1ad4e67/appengine/findit/waterfall/flake/determine_true_pass_rate_pipeline.py